Kaoru Sugi (杉 薫 Sugi Kaoru?): The president of Shardock P.D. Agency; he is a detective, Kakeru's uncle, and Kakeru's mother's younger brother. Forcing a request upon Kakeru and Robotack, he is working at a part-time job while bent on catching Cherry to get the 5,000 reward. He closed down the Shardock P.D. Agency and left Yumegaoka for London in the finale.